38603540 has 12 divisors (see below), whose sum is σ = 81067476. Its totient is φ = 15441408.

The previous prime is 38603531. The next prime is 38603569. The reversal of 38603540 is 4530683.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 15984004 = 4756^2 + 3998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965069 + ... + 965108.

It is an arithmetic number, because the mean of its divisors is an integer number (6755623).

Almost surely, 2^38603540 is an apocalyptic number.

It is an amenable number.

38603540 is an abundant number, since it is smaller than the sum of its proper divisors (42463936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38603540 is a wasteful number, since it uses less digits than its factorization.

38603540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930186 (or 1930184 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 38603540 is about 6213.1747118522. The cubic root of 38603540 is about 337.9681003472.

The spelling of 38603540 in words is "thirty-eight million, six hundred three thousand, five hundred forty".